package shuashuami.hb.com.htmlutil;

import java.security.MessageDigest;

/**
 * Created by Administrator on 2017/7/21.
 */

public class Common {
    public static String md5(String sourceStr) {

        byte[] source = sourceStr.getBytes();

        String s = null;

        char hexDigits[] = {
                '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
        };

        try {
            MessageDigest md = MessageDigest.getInstance("MD5");
            md.update(source);
            byte tmp[] = md.digest();
            char[] str = new char[16 * 2];
            int k = 0;
            for (int i = 0; i < 16; i++) {
                byte byte0 = tmp[i];
                str[k++] = hexDigits[byte0 >>> 4 & 0xf];
                str[k++] = hexDigits[byte0 & 0xf];
            }
            s = new String(str);
        } catch (Exception e) {
            // TODO: handle exception
        }
        return s;
    }

}
